What is a 2 barrel engine?

(2010-05-29 15:49:40) 1. Tim V Says: I was reading the Wikipedia article on the Dodge D Series, "In 1967 the D Series trucks received big-block 383 2 barrel engines as a standard option." What does the 2 barrel part mean?2. inagaddadavida_loca Says: Carburetors have what could be considered venturis or "throats" which are usually called barrels. Hence, a 2-barrel carb has two throats.3. blanderswake Says: It means a two-barrel carburetor. The carb has two passages for the air and fuel to be mixed in, as opposed to a one-barrel or four-barrel.4. RussK Says: Two barrel in this case is referring to the carburetor.
This example has (1) carb that has two barrels

A barrel is the chamber that air flows though the carb

Some cars had a (4) barrel carb, while some of the real high performance of the day may have things like three deuces, which were a total of (3) three two barrel carburetors.5. Mammaw Says: The engine is a 383 with a 2 barrel carburetor.6. dodge man Says: its just an engine that was originally built and designed to have a two barrel intake and carburetor on it and the valves in the head usually wasn't big enough to use four barrel intake and carb on and get good performance from them,there was a lot of two barrel engines built though,just the heads and intakes are different ,everything else usually remains the same,i built a few good engines that was two barrel engines and used four barrel heads on them and they run good,good luck. Tag: What is a 2 barrel engine?